A pattern quadtree (PQT) data structure for representing binary images is presented.
提出了表示二值图像的模式四叉树(PQT)数据结构。
PQT for representing binary images can reduce a number of leaf nodes, so it can save storage and speed up operations.
PQT表示二值图像可以减少大量叶结点，从而达到节省存储空间、加快运算的目的。
Precisely because of their presence, we had overfulfillment in PQT, smooth production of EMA, along with so many other success stories.
正是有了他们才有PQT的超产，EMA生产的顺利，才有那么多的成功敀事。
Precisely because of their presence, we had overfulfillment in PQT, smooth production of EMA, along with so many other success stories.
正是有了他们才有PQT的超产，EMA生产的顺利，才有那么多的成功敀事。
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